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NDR 550 5.5.1 User Unknown for Internal Relay Domain exchange 2003
NDR 550 5.5.1 User Unknown for Internal Relay Domain exchange 2003
Email route happening internally with in the same domain , but some times users are getting NDR 550 5.5.1 User Unknown - exchange 2003 environment
Email route happening internally with in the same domain , but some times users are getting NDR 550 5.5.1 User Unknown - exchange 2003 environment
ExchangeEmail Servers
Last Comment
Manpreet SIngh Khatra
Your question is too vague. You need to provide details on your environment setup, have you recently upgraded or migrated systems?
ASKER
Both the mailbox's are in same exchange 2003 server .we didnt upgraded or migrated systems .
Issue happening interminently .
Error:
Original-Envelope-ID: c=US;a=MCI;p=MYDOMAIN ;l=USNJPRIEXG70-1305091107
Reporting-MTA: dns; server.MYDOMAIN .com
Final-Recipient: RFC822; PClements@MYDOMAIN.com
Action: failed
Status: 5.1.1
X-Supplementary-Info: <server.MYDOMAIN .com#5.1.1>
X-Display-Name: Username
Issue happening interminently .
Error:
Original-Envelope-ID: c=US;a=MCI;p=MYDOMAIN ;l=USNJPRIEXG70-1305091107
Reporting-MTA: dns; server.MYDOMAIN .com
Final-Recipient: RFC822; PClements@MYDOMAIN.com
Action: failed
Status: 5.1.1
X-Supplementary-Info: <server.MYDOMAIN .com#5.1.1>
X-Display-Name: Username
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Is this NDR received by users sending email or some Application ?
- Rancy